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Remove Duplicates from Sorted Array II

Medium

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Remove duplicates from sorted array allowing at most two occurrences of each element.

Sample Input:

[1,1,1,2,2,3]

Sample Output:

Hints

Hint 1

Use two pointers: one for reading, one for writing

Hint 2

Allow element if count <= 2

Hint 3

Track count of current element

Code Editor

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